Build failed. https://zuul.opendev.org/t/openstack/buildset/f23df60c7fd3464cb1064f66c72c2e5d - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/82f9ae606b40494196c1a734cece7932 : SUCCESS in 4m 22s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1fedb40fb1fc44748d533d9ac40277a6 : SUCCESS in 5m 01s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a8a88ac3ce16468eb8c3c5a2e739104c : SUCCESS in 5m 28s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/60cfc9630dff41b293338adcbf0400a1 : FAILURE in 5m 14s